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LITERATURE. 



'84 Emery, E. Phosphorescent Organs in Scopelus. Mittheil. a. d. 



Zool. Station sit Neapel. Bd. v. 

 '89 EiGENMANN, C. H. AND R. I. On the Phosphorescent Spots of 



Porichthys Margaritatus. West. Amer. Scient. Vol. vi. 1889. 

 '96 GlESBRECHT, W. Ueber den Sitz der Lichtentwicklung in den Photo- 



sphaeren der Euphausiiden. Zool. Anz. Bd. xix, 486. 

 '90 Langley, S. p., and Very, F. W. On the Cheapest Form of Light. 



Atner. Journ. Sci. Third Series. Vol. xl, No. 236. 

 '81 Leydig, F. Die Augenahnlichen Organe der Fische. Bonn. 1881. 

 '64 Leuckart, R. Ueber muthmassliche Nebenaugen bei einem Fische. 



Bericht a. d. Versatnml. deutsch. Naturf. zu Giessen. 1864. 

 '72 Panceri. (Papers on Phosphorescence.) Ann. des Sci. Nat. Tome 



xlv. 1872. 

 '85 Sars, G. O. Schizopoda. Challenger. Vol. xiii. 

 '89 Test, F. C. New Phosphorescent Organs in Porichthys. Bull. 



Essex Inst. Vol. xvi. 

 '87 VON Lendenfeld, R. The Structure of Phosphorescent Organs of 



Fishes. Challenger. Vol. xxii, p. 276. 

 '95 Watas£, S. Physical Basis of Animal Phosphorescence. Biol. Led. 



Marine Biological Laboratory, Woods Holl. 1895. 



